Light and Gibberellic Acid Enhancement of Lowbush Blueberry Seed Germination1

John M. Smagula; Michael Michaud; Paul R. Hepler

doi:10.21273/JASHS.105.6.816

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Light and Gibberellic Acid Enhancement of Lowbush Blueberry Seed Germination^¹

in Journal of the American Society for Horticultural Science

Authors:

John M. Smagula

John M. SmagulaDepartment of Plant and Soil Sciences, University of Maine, Orono, ME 04469

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Michael Michaud

Michael MichaudDepartment of Plant and Soil Sciences, University of Maine, Orono, ME 04469

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, and

Paul R. Hepler

Paul R. HeplerDepartment of Plant and Soil Sciences, University of Maine, Orono, ME 04469

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DOI:: https://doi.org/10.21273/JASHS.105.6.816

Page Count:: 3

Volume/Issue:: Volume 105: Issue 6

Article Category:: Research Article

Online Publication Date:: Nov 1980

Open access

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Abstract

A light requirement for improved seed germination of lowbush blueberry (Vaccinium angustifolium Ait.) was partially overcome by GA treatments; GA at 500, 1000, 2000, and 4000 ppm stimulated early germination of seeds kept in the dark. The germination rate of seeds exposed to an 8 hour light period was also enhanced by GA treatments. Continuous exposure to concentrations above 1000 ppm resulted in abnormally curled seedlings with necrotic root tips.

Contributor Notes

^¹Received for publication September 29, 1978.

The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper must therefore be hereby marked advertisement solely to indicate this fact.

^²Associate Professors of Horticulture.

^³Present address: McCarty Hall, University of Florida, Gainesville, FL 32611.

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